# sqlsrv_field_metadata

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sqlsrv_field_metadata — Retrieves metadata for the fields of a statement prepared by sqlsrv_prepare() or sqlsrv_query()

### Beschreibung

sqlsrv_field_metadata(resource `$stmt`): mixed

Retrieves metadata for the fields of a statement prepared by sqlsrv_prepare() or sqlsrv_query(). sqlsrv_field_metadata() can be called on a statement before or after statement execution.

### Parameter-Liste

`stmt`
  The statement resource for which metadata is returned.

### Rückgabewerte

Returns an array of arrays on success. Otherwise, `false` is returned. Each returned array is described by the following table:

Array returned by sqlsrv_field_metadata
Key | Description
--- | ---
Name | The name of the field.
Type | The numeric value for the SQL type.
Size | The number of characters for fields of character type, the number of bytes for fields of binary type, or `null` for other types.
Precision | The precision for types of variable precision, `null` for other types.
Scale | The scale for types of variable scale, `null` for other types.
Nullable | An enumeration indicating whether the column is nullable, not nullable, or if it is not known.

For more information, see » sqlsrv_field_metadata in the Microsoft SQLSRV documentation.

### Beispiele

Beispiel #1 sqlsrv_field_metadata() example

`<?php
$serverName = "serverName\sqlexpress";
$connectionInfo = array( "Database"=>"AdventureWorks", "UID"=>"username", "PWD"=>"password");
$conn = sqlsrv_connect( $serverName, $connectionInfo);
if( $conn === false ) {
die( print_r( sqlsrv_errors(), true));
}
$sql = "SELECT * FROM Table_1";
$stmt = sqlsrv_prepare( $conn, $sql );
foreach( sqlsrv_field_metadata( $stmt ) as $fieldMetadata ) {
foreach( $fieldMetadata as $name => $value) {
echo "$name: $value<br />";
}
echo "<br />";
}
?>`

### Siehe auch

- sqlsrv_client_info() - Returns information about the client and specified connection

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